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Published Jun 11, 2026·Anthropic• Minor

Anthropic deprecated Claude Opus 4.1, with Claude API retirement scheduled for August 5, 2026.

The read

Builders on Claude API need a migration path from Opus 4.1 to Opus 4.8 before retirement.

The frame

This sits in model deprecations and means Claude API users have a recommended migration target: Claude Opus 4.8.

Primary source

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